Rule 34 Dev - 2boys anthro anthro_only anus ass ass_up bed bedhead bedroom_eyes big_butt big_penis bovid brown_hair butt_focus caprine colfen colored disembodied_penis duo equid equine femboy from_behind_position furniture furry furry_only gay genitals girly hair haplorhine horn horse hot_dogging hybrid imminent_sex lying lying_in_bed lying_on_bed lying_on_stomach male male/male mammal monkey narrowed_eyes nude on_bed on_front on_stomach penis presenting presenting_hindquarters primate purple_eyes rear_view seductive sex sheep solo_focus spread_butt spreading thick_thighs tongue tongue_out yaoi yukayuu|4328460000